One of the best uses of a new Ultra HD 4K TV is as an ultra-high-resolution monitor. There are a few things to consider before you do, and a few settings to adjust after you dive in. Here's what you need to know.

Later this year, LG will do something rare and exceedingly welcome in the Smart TV universe: roll out a free, worldwide update to existing TV owners, bringing the operating system faster response times and new features.